Add a helper script, ported to Python.
Add a helper script, ported to Python.

* tools/dev/wc-format.py:  New.
      Prints the working copy format of a given directory.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion